| Directions: What will come in place of question marks in the given questions? |
| \[\sqrt{2601}+\sqrt{169}={{8}^{12\,\,-\,\,?}}\] |
A) 10
B) 9
C) 8
D) 7
Correct Answer: A
Solution :
| \[\sqrt{2601}+\sqrt{169}={{8}^{12-?}}\] |
| \[\Rightarrow \]\[51+13={{8}^{12-?}}\]\[\Rightarrow \]\[64={{8}^{12-?}}\] |
| \[\Rightarrow \]\[{{8}^{2}}={{8}^{12-?}}\]\[\Rightarrow \]\[?=10\] |
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